#include<stdio.h>
int isprime(int n)
{
    int c;
    for(c=2; c*c<=n; c++)
        if(n%c==0)
            return 0;
    return 1;
}

int goldbach(int n)
{

    int p;
    for(p=3; p<=n/2; p+=2)
        if(isprime(p)&&isprime(n-p))
        {
             printf("%d=%d+%d\n",n,p,n-p);
            return 1;
        }
    return 0;
}

int main()
{
    int n;
    for(n=6; n<=0xffff; n+=2)
        if(!goldbach(n))
        {
            printf("Bingo at %d ",n);
        }
    return 0;
}
